Keystone XL protests from Houston to D.C.

May 13, 2015

Manuel Balce Ceneta/ASSOCIATED PRESS

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Protestors who are strapped to the White House fence in Washington, chant during a protest against the proposed Keystone XL oil pipeline, Sunday, March 2, 2014. They were later arrested. (AP Photo/Manuel Balce Ceneta)

Manuel Balce Ceneta/ASSOCIATED PRESS

52of136

Protestors who are strapped to the White House fence in Washington, chant during a protest against the proposed Keystone XL oil pipeline, Sunday, March 2, 2014. They were later arrested. (AP Photo/Manuel Balce Ceneta)